JPS58118543U - 光学ヘツド - Google Patents

光学ヘツド

Info

Publication number
JPS58118543U
JPS58118543U JP1337482U JP1337482U JPS58118543U JP S58118543 U JPS58118543 U JP S58118543U JP 1337482 U JP1337482 U JP 1337482U JP 1337482 U JP1337482 U JP 1337482U JP S58118543 U JPS58118543 U JP S58118543U
Authority
JP
Japan
Prior art keywords
substantially cylindrical
cylindrical member
optical head
notch
objective lens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1337482U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6323793Y2 (enExample
Inventor
哲 日下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP1337482U priority Critical patent/JPS58118543U/ja
Publication of JPS58118543U publication Critical patent/JPS58118543U/ja
Application granted granted Critical
Publication of JPS6323793Y2 publication Critical patent/JPS6323793Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP1337482U 1982-02-02 1982-02-02 光学ヘツド Granted JPS58118543U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1337482U JPS58118543U (ja) 1982-02-02 1982-02-02 光学ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1337482U JPS58118543U (ja) 1982-02-02 1982-02-02 光学ヘツド

Publications (2)

Publication Number Publication Date
JPS58118543U true JPS58118543U (ja) 1983-08-12
JPS6323793Y2 JPS6323793Y2 (enExample) 1988-06-30

Family

ID=30025892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1337482U Granted JPS58118543U (ja) 1982-02-02 1982-02-02 光学ヘツド

Country Status (1)

Country Link
JP (1) JPS58118543U (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255424A (en) * 1975-10-31 1977-05-06 Olympus Optical Co Ltd Information detection head of inforamation reader
JPS5668936A (en) * 1979-11-12 1981-06-09 Nippon Telegr & Teleph Corp <Ntt> Reader for optical information

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255424A (en) * 1975-10-31 1977-05-06 Olympus Optical Co Ltd Information detection head of inforamation reader
JPS5668936A (en) * 1979-11-12 1981-06-09 Nippon Telegr & Teleph Corp <Ntt> Reader for optical information

Also Published As

Publication number Publication date
JPS6323793Y2 (enExample) 1988-06-30

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